Home / 132,903.88-183,231.30-107,381.68

Finding the Fourth Proportional to 132,903.88, 183,231.30 and 107,381.68

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Solution

The fourth proportional to 132,903.88, 183,231.30 and 107,381.68 is: 148,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903.88 : 183,231.30 = 107,381.68 : x
  2. Step 2: Convert to fraction form
    132,903.88/183,231.30 = 107,381.68/x
  3. Step 3: Cross multiply
    132,903.88x = 183,231.30 × 107,381.68
  4. Step 4: Simplify right side
    132,903.88x = 19,675,684,822.58
  5. Step 5: Solve for x
    x = 19,675,684,822.58/132,903.88
  6. Step 6: Final answer
    x = 148,044.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.